1. Natural History Museum of the University of Florence, Zoological Section “La Specola”, Via Romana 17, I-50125 Florence (Italy) margherita.norbiato@libero.it
2. Natural History Museum, Corso Venezia 55, I-20121 Milan (Italy) paridedioli@virgilio.it
3. Natural History Museum of the University of Florence, Zoological Section “La Specola”, Via Romana 17, I-50125 Florence (Italy)